joejulian/gio-patched
1
0
Fork 0
forked from joejulian/gio
Code Pull Requests 1 Activity

f32: replace Affine2D{} with AffineId() for identity transformations

Browse Source 
References: https://todo.sr.ht/~eliasnaur/gio/655
Signed-off-by: Walter Werner SCHNEIDER <contact@schnwalter.eu>
Signed-off-by: Elias Naur <mail@eliasnaur.com>
This commit is contained in:
Walter Werner SCHNEIDER
2025-07-12 13:01:54 +03:00
committed by Elias Naur
parent 78b54615cc
commit 4e5a344cc2
5 changed files with 23 additions and 15 deletions
Download Patch File Download Diff File Expand all files Collapse all files
gpu/gpu.go
+11 -6
View File
@@ -957,7 +957,9 @@ func (d *drawOps) addClipPath(state *drawState, aux []byte, auxKey opKey, bounds
func (d *drawOps) save(id int, state f32.Affine2D) {
if extra := id - len(d.states) + 1; extra > 0 {
d.states = append(d.states, make([]f32.Affine2D, extra)...)
for range extra {
d.states = append(d.states, f32.AffineId())
}
}
d.states[id] = state
}
@@ -972,12 +974,13 @@ func (k opKey) SetTransform(t f32.Affine2D) opKey {
}
func (d *drawOps) collectOps(r *ops.Reader, viewport f32.Rectangle) {
var (
quads quadsOp
state drawState
)
var quads quadsOp
state := drawState{
t: f32.AffineId(),
}
reset := func() {
state = drawState{
t: f32.AffineId(),
color: color.NRGBA{A: 0xff},
}
}
@@ -1163,6 +1166,7 @@ func expandPathOp(p *pathOp, clip image.Rectangle) {
func (d *drawState) materialFor(rect f32.Rectangle, off f32.Point, partTrans f32.Affine2D, clip image.Rectangle) material {
m := material{
opacity: 1.,
uvTrans: f32.AffineId(),
}
switch d.matType {
case materialColor:
@@ -1521,6 +1525,7 @@ func decodeToOutlineQuads(qs *quadSplitter, tr f32.Affine2D, pathData []byte) {
// create GPU vertices for transformed r, find the bounds and establish texture transform.
func (d *drawOps) boundsForTransformedRect(r f32.Rectangle, tr f32.Affine2D) (aux []byte, bnd f32.Rectangle, ptr f32.Affine2D) {
ptr = f32.AffineId()
if isPureOffset(tr) {
// fast-path to allow blitting of pure rectangles
_, _, ox, _, _, oy := tr.Elems()
@@ -1573,7 +1578,7 @@ func (d *drawOps) boundsForTransformedRect(r f32.Rectangle, tr f32.Affine2D) (au
sx, sy := P2.X-P3.X, P2.Y-P3.Y
ptr = f32.NewAffine2D(sx, P2.X-P1.X, P1.X-sx, sy, P2.Y-P1.Y, P1.Y-sy).Invert()
return
return aux, bnd, ptr
}
func isPureOffset(t f32.Affine2D) bool {